USDA has revised the plant hardiness zone map

[Denise]

For the first time since 1990 the USDA has revised the plant hardiness zone map to account for global warming.

http://www.knoxnews.com/news/2012/ja...flects-global/

This interactive map is very easy to use:

http://planthardiness.ars.usda.gov/PHZMWeb/